$73 Cheap United flights Los Angeles (LAX) to Denver (DEN)

View $73 flight on Tue, Oct 21, 2025Opens in a new window

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$73 Cheap United flights Los Angeles (LAX) to Denver (DEN)

Prices were available within the past 7 days and start at $73 for one-way flights and $145 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 25 - Tue, Oct 28
LAX
Los Angeles
DEN
Denver
$145 Roundtrip, just found
$145
Roundtrip
just found
Select United flight, departing Sat, Oct 25 from Los Angeles to Denver, returning Tue, Oct 28, priced at $145 just found
United
Tue, Oct 21 - Tue, Oct 28
LAX
Los Angeles
DEN
Denver
$154 Roundtrip, found 8 hours ago
$154
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Oct 21 from Los Angeles to Denver, returning Tue, Oct 28, priced at $154 found 8 hours ago
United
Sat, Aug 16 - Wed, Aug 20
LAX
Los Angeles
DEN
Denver
$155 Roundtrip, just found
$155
Roundtrip
just found
Select United flight, departing Sat, Aug 16 from Los Angeles to Denver, returning Wed, Aug 20, priced at $155 just found
United
Sat, Aug 16 - Wed, Aug 20
LAX
Los Angeles
DEN
Denver
$157 Roundtrip, just found
$157
Roundtrip
just found
Select United flight, departing Sat, Aug 16 from Los Angeles to Denver, returning Wed, Aug 20, priced at $157 just found
United
Tue, Aug 5 - Wed, Aug 13
LAX
Los Angeles
DEN
Denver
$158 Roundtrip, found 16 hours ago
$158
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Aug 5 from Los Angeles to Denver, returning Wed, Aug 13, priced at $158 found 16 hours ago
United
Sat, Oct 18 - Mon, Oct 20
LAX
Los Angeles
DEN
Denver
$161 Roundtrip, found 4 hours ago
$161
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Oct 18 from Los Angeles to Denver, returning Mon, Oct 20, priced at $161 found 4 hours ago
Flights from Los Angeles (LAX) to Denver (DEN)
Origin airport
Los Angeles Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
860 mi
Average flight time
3 hours 23 mins

Frequently asked questions

How much is a United Airlines flight from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
Make use of the "Price (lowest to highest)" filter on Expedia to find cheap United Airlines round-trip flights from $145 from LAX to DEN. Affordable one-way fares from $73 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LAX to DEN with United Airlines?
United Airlines flights to Denver are typically cheaper in the low-season months of January and November. Whether you're searching for a return or one-way ticket, you could find a better deal then.
What is the cheapest time to book flights from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN) with United Airlines?
Begin your search one to three months before your departure to score cheaper fares on United Airlines flights from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
United Airlines offers direct flights from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN), with 61 departures every week. Just choose the "Nonstop" and "Airline" filters during your search on Expedia to find all direct United Airlines flights to DEN.
How long does it take to fly from LAX to DEN with United Airlines?
Take off from Los Angeles Intl. Airport (LAX) for Denver Intl. Airport (DEN) on a direct United Airlines flight, and you'll be in the air for around 2h 28m.
Which day of the week has the most United Airlines flights from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
United Airlines has the most flights from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN) on Wednesday. With up to 9 daily departures, you'll get the most options and flexibility on this day.
What is the earliest United Airlines flight from LAX to DEN?
Departing LAX at 5:00AM UTC-8, the earliest United Airlines flight to DEN arrives at 8:27AM UTC-7. Traveling early means you're less likely to experience delays.* Not an early riser? The last United Airlines flight from LAX to DEN departs at 8:21PM UTC-8 and touches down at 11:46PM UTC-7.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Denver?
United Airlines flights from Los Angeles Intl. Airport (LAX) to Denver arrive at Denver Intl. Airport (DEN). This is the main gateway here.
Why fly with United Airlines from LAX to DEN?
Travel from LAX to DEN with United Airlines and look forward to a range of benefits starting with a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
For the Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN) route, United Airlines typically uses Boeing 737-900 and Boeing 757-300 planes. Remember that last-minute changes can occur for operational reasons, meaning your flight could be on a different aircraft.
Can I change or cancel my United Airlines flight from Los Angeles Intl. Airport (LAX) to Denver Intl. Airport (DEN)?
Depending on the type of ticket you purchased, a fee may apply if you change or cancel your flight more than 24 hours after it has been confirmed. To secure flexible fares, select our "No cancel fee" or "Changes included" filter while searching for flights. For more details on modifying or canceling your reservation, go to "Trips," select your flight and tick "Manage Booking."

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